Technical description and composition of the TOSHIBA 47VL863R TV, type of panel and applicable modules. The composition of the modules.TOSHIBA LED
Model: 47VL863R
Panel: LC470EUD (SD) (F2)
T-CON: 8670C-0258D Ver1.0 LG5820, TPS65194, BUF08630
LED driver (backlight): PPW-LE47VB-0 (B) Rev0.4
Trans LED driver: S330 117U
Power Supply (PSU): 17000VYC Rev03 PA-3241-01TS-LF V71A00021300
PWM Power: A6069H (8)
MainBoard: PE0993 A V28A0011298A1
IC MainBoard: TMPM330FYFG, TOS5708, BD8621 (20), AOZ1094D1 (8), AOZ13G1DI2 (8), TCV7103AF (8)
Tuner: NGS7306D5, 2 tun SCEB3AH
Control: CT-90383
Specifications 47VL863
TOSHIBA 47VL863R
General repair guidelines for TV LCD LED
Repair of the TOSHIBA 47VL863R TV should begin with a fault diagnosis, which involves a careful examination of the external and internal elements of the device. It often happens that visible damage to elements or connections helps determine the direction of the troubleshooting. If charred resistors, swollen electrolytic or cermet capacitors, ring cracks in the solders of the terminals of transformers or heating elements are found, it is advisable to establish the causes and consequences of the malfunction that has arisen, as well as to check the connected elements and assemblies.
If the power supply module 17000VYC Rev03 PA-3241-01TS-LF V71A00021300 malfunctions, the external manifestations may be different, for example, the TOSHIBA 47VL863R does not turn on at all and there is no indication of the indicator lights on the front panel. With the same symptoms, the stabilizer (converter) of the power supply to the control processor may be faulty. When diagnosing and repairing the power supply, after replacing the swollen capacitors of the secondary rectifier filters (if any), you must first check the mains fuse. When it is broken, the power elements of transistors and rectifier bridge diodes should be checked for avalanche (thermal) breakdown.
The reasons for the breakdown of the power switch in switching power supplies (IIPS) can be different, for example, a malfunction of semiconductor cells or electrolytic capacitors in the stabilization circuits of the primary circuit, as well as a failure in the operation of the A6069H PWM controller chip (8) or broken resistors in its bundle.
In cases where the TOSHIBA 47VL863R TV has lost its image, and the sound is there and all other functions are operational, there is a possibility of a malfunction of the LED driver (converter for powering the backlight LEDs of the LC470EUD (SD) panel (F2)). When you turn on the TV, the image may appear briefly and disappear immediately. It must be borne in mind that with such manifestations the LEDs themselves also fail.
Often there is a need for disassembling the panel to check the health of the LEDs, as well as contact connections in the connectors and soldering.
It should be remembered that it is not possible to determine the break in the LED lines without disassembling the panels using a tester or multimeter without an additional device, for example, a current source. To open all PN junctions connected in series at once, a voltage of several tens of volts may be required.
In cases of attempts to repair the motherboard PE0993A V28A0011298A1, it is necessary to check the operability of the stabilizers or power converters of its microcircuits and, if possible, update the software (software). BGA chips can in most cases be diagnosed by local heating.
If it is not possible to replace the MB (SSB) board, you need to check the health of its elements - TOS5708, BD8621 (20), AOZ1094D1 (8), AOZ13G1DI2 (8), TCV7103AF (8). Defective components should be replaced.
Before replacing the tuner NGS7306D5, 2 tun SCEB3AH, if there is no tuning for the channels, you must first check the supply voltage at its terminals, including the power supply of varicaps (30-33V).
Once again, remind users! Attempts to independently repair the TOSHIBA 47VL863R TV without the appropriate qualifications and experience can lead to its complete non-repairability!
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> Toshiba 42/47VL863/WL863 Main: PE0993
Schematic Diagrams 101 pages of 2011 on models 42VL863, 47VL863, 42WL863, 46WL863, 55WL863.
The appearance of MainBoard PE0993 is shown in the figure below:PE0993
PE0993 can be used in TVs:
TOSHIBA 42VL863R (Panel LC420EUD (SD)(F2)), TOSHIBA 47VL863R (Panel LC470EUD (SD)(F2)).
Key Features of the TOSHIBA 47VL863R:
Installed matrix (LED-panel) LC470EUD (SD) (F2).
The matrix control uses the Timing Controller (T-CON) 8670C-0258D.
The LED driver PPW-LE47VB-0 is used to power the backlight LEDs. In the converter of the LED driver, a transformer S330 117U is installed.
The necessary supply voltages for all nodes of the TOSHIBA 47VL863R TV are generated by the 17000VYC power module, or its analogs using A6069H microcircuits (8).
MainBoard - the main board (motherboard) is a PE0993 module, using TMPM330FYFG, TOS5708, BD8621 (20), AOZ1094D1 (8), AOZ13G1DI2 (8), TCV7103AF (8) and others.
Tuner NGS7306D5, 2 tun SCEB3AH provides reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: LG Innotek
Model: LC470EUD-SDF2
Type: a-Si TFT-LCD, Panel
Diagonal size: 47 inch
Resolution: 1920x1080, FHD
Display Mode: S-IPS, Normally Black, Transmissive
Active Area: 1039.68x584.82 mm
Surface: Antiglare (Haze 10%), Hard coating (2H)
Brightness: 450 cd / m²
Contrast Ratio: 1600: 1
Display Colors: 16.7M / 1.06B (8-bit / 8-bit + Dithering), CIE1931 72%
Response Time: 6 (G to G)
Frequency: 120Hz + 120Hz
Lamp Type: WLED Embedded (LED Driver)
Signal Interface: LVDS (4 ch, 8/10-bit), 92 pins
Voltage: 12.0V
Brand: TOSHIBA, Model: 47VL863.
Briefly from the TV: LCD, LED backlight, 47 ", 1920x1080, 1080p Full HD, 3D, there is a satellite tuner, sound: 20W, HDMI: 4, Internet access, Smart TV.
The Toshiba official website has firmware (software update) for the models 47VL863R (19.4.61.7), 47VL863N (19.4.49.236), 47VL863G (1.25.02), 47VL863F (19.4.49.236), 47VL863B (19.4.61.14).
The composition uses MainBoard PE0993 A V28A0011298A1 and an LCD panel (matrix) LC470EUD (SD) (F2).
Power Supply Unit (PSU) PA-3241-01TS-LF V71A00021300 Power Supply.
Technical description
TOSHIBA 47VL863 LED TV with LC470EUD LCD, diagonal size 47 "(119 cm) in 16: 9 format. The required screen brightness of 450 cd / m² is provided by LED backlight LED. The ratio of maximum brightness to minimum (contrast) is 1600: 1 Dynamic contrast ratio of 7,000,000: 1 is achieved by special control of the LEDs' operation.This model uses side illumination from Edge LEDs.
There is support for 3D images using passive polarization technology. The design and technical capabilities of the TV include watching programs and movies in high quality HD at a resolution of 1920x1080 pixels in a graphical decomposition according to the standard 1080p (Full HD).
The 47VL863 is equipped with SMART software, integrated applications and the ability to work on the Internet. Connecting to the Internet can be done via Wi-Fi. The input high-frequency or video signal can be processed in analogue systems PAL, SECAM, NTSC. Graphic processing and digital signal generation occurs in standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Supported media file formats: MP3, MPEG4, Xvid, DivX, MKV, JPEG.
The power of the sound system 20 W (2x10 W) provides two speakers. It uses a NICAM stereo signal processing system and Sound Surround.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, audio x2, component, SCART, RGB, VGA, HDMI x4, USB x2, Ethernet (RJ-45). An output for connecting headphones is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector is used on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768, 1280x1024, 1360x768, 1920x1080.
A digital tuner is capable of receiving television channels in the DVB-T MPEG4, DVB-C, DVB-S2 standards.
Attention! The TOSHIBA 47VL863 LED TV panel LC470EUD (SD) (F2) is an expensive and unreliable element.
Avoid any impact on the glass and pressure on the surface of the screen to avoid damage to the LED panel!
It is also unsafe to get liquid on the screen. Sometimes one drop is enough if it flows down the glass onto the cables so that the TV becomes unrepairable.